Canadian Super Pigs

For decades, wild pigs have been antagonizing flora and fauna in the US: gobbling up crops, spreading disease and even killing deer and elk.

Now, as fears over the potential of the pig impact in the US grow, North America is also facing a new swine-related threat, as a Canadian “super pig”, a giant, “incredibly intelligent, highly elusive” beast capable of surviving cold climates by tunneling under snow, is poised to infiltrate the north of the country.

The emergence of the so-called super pig, a result of cross-breeding domestic pigs with wild boars, only adds to the problems the US faces from the swine invasion…….

“They’re incredibly intelligent. They’re highly elusive, and also when there’s any pressure on them, especially if people start hunting them, they become almost completely nocturnal, and they become very elusive – hiding in heavy forest cover, and they disappear into wetlands and they can be very hard to locate.”

Brook and others are particularly troubled by the emergence of a “super pig”, created by farmers cross-breeding wild boar and domestic pigs in the 1980s. The result was a larger swine, which produced more meat, and was easier for people to shoot in Canadian hunting reserves.

These pigs escaped captivity and swiftly spread across Canada, with the super pig proving to be an incredibly proficient breeder, Brook said, while its giant size – one pig has been clocked at more than 300kg (661lbs) – makes it able to survive the frigid western Canada winters, where the wind chill can be -50C.

“All the experts said at that time: ‘Well, no worries. If a wild pig or a wild boar ever escaped from a farm, there’s no way it would survive a western Canadian winter. It would just freeze to death.’

“Well, it turns out that being big is a huge advantage to surviving in the cold.”

The pigs survive extreme weather by tunneling up to 2 meters under snow, Brook said, creating a snow cave.

“They’ll use their razor-sharp tusks to cut down cattails [a native plant], and line the bottom of the cave with cattails as a nice warm insulating layer.

“And in fact, they’re so warm inside that one of the ways we use to find these pigs is to fly first thing in the morning when it’s really cold, colder than -30, and you will actually see steam just pouring out the top of the snow.”………

https://www.theguardian.com/us-news...-canada-super-pig-boar?CMP=Share_iOSApp_Other